Home / 137,635,245.30-206,692,016.40-73,065,163.80

Finding the Fourth Proportional to 137,635,245.30, 206,692,016.40 and 73,065,163.80

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Solution

The fourth proportional to 137,635,245.30, 206,692,016.40 and 73,065,163.80 is: 109,724,700.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,635,245.30 : 206,692,016.40 = 73,065,163.80 : x
  2. Step 2: Convert to fraction form
    137,635,245.30/206,692,016.40 = 73,065,163.80/x
  3. Step 3: Cross multiply
    137,635,245.30x = 206,692,016.40 × 73,065,163.80
  4. Step 4: Simplify right side
    137,635,245.30x = 15,101,986,034,418,286
  5. Step 5: Solve for x
    x = 15,101,986,034,418,286/137,635,245.30
  6. Step 6: Final answer
    x = 109,724,700.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.